| 发明名称 |
SECTION OF A RISER PROVIDED WITH A LOCKING RING ARRANGED BETWEEN THE MAIN TUBE AND THE AUXILIARY TUBE |
| 摘要 |
The invention relates to a section (4) of a riser, provided with an outer locking ring (11). The locking ring (11) cooperates with a male connector element (9) and a female connector element (8) by means of a series of lugs. The invention also relates to a riser consisting of a plurality of sections (4) and to the use of the riser for performing an offshore drilling operation. |
| 申请公布号 |
WO2015169560(A1) |
申请公布日期 |
2015.11.12 |
| 申请号 |
WO2015EP58270 |
申请日期 |
2015.04.16 |
| 申请人 |
IFP ENERGIES NOUVELLES |
发明人 |
PERSENT, EMMANUEL;SAEEDI, NAVID;PAPON, GERARD;ROGUET, ELEONORE |
| 分类号 |
E21B17/08 |
主分类号 |
E21B17/08 |
| 代理机构 |
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代理人 |
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| 主权项 |
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